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linedance-api/app/routers/dances.py

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+"""
+dances.py — Endpoints til dans-navne, niveauer og community alternativer.
+"""
+
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.orm import Session
+from sqlalchemy import func
+from pydantic import BaseModel
+from app.core.database import get_db
+from app.core.security import get_current_user
+from app.models import User
+
+router = APIRouter(prefix="/dances", tags=["dances"])
+
+
+# ── Schemas ───────────────────────────────────────────────────────────────────
+
+class DanceLevelOut(BaseModel):
+    id: int
+    sort_order: int
+    name: str
+    description: str
+    model_config = {"from_attributes": True}
+
+class DanceNameOut(BaseModel):
+    name: str
+    use_count: int
+
+class DanceNameSubmit(BaseModel):
+    name: str
+
+class CommunityDanceOut(BaseModel):
+    id: str
+    song_mbid: str | None
+    dance_name: str
+    level_id: int | None
+    level_name: str | None
+    submitted_by: str
+    use_count: int
+
+class CommunityAltOut(BaseModel):
+    id: str
+    song_mbid: str | None
+    dance_name: str
+    alt_dance_name: str
+    level_id: int | None
+    level_name: str | None
+    note: str
+    bayesian_score: float
+    rating_count: int
+    my_rating: int | None
+
+
+# ── Dans-niveauer ─────────────────────────────────────────────────────────────
+
+@router.get("/levels", response_model=list[DanceLevelOut])
+def get_levels(db: Session = Depends(get_db)):
+    """Hent alle dans-niveauer — bruges til synkronisering i appen."""
+    from sqlalchemy import text
+    rows = db.execute(text(
+        "SELECT id, sort_order, name, description FROM dance_levels ORDER BY sort_order"
+    )).fetchall()
+    return [{"id": r[0], "sort_order": r[1], "name": r[2], "description": r[3]} for r in rows]
+
+
+# ── Dans-navne ────────────────────────────────────────────────────────────────
+
+@router.get("/names", response_model=list[DanceNameOut])
+def get_dance_names(prefix: str = "", limit: int = 50, db: Session = Depends(get_db)):
+    """Hent kendte dans-navne — bruges til autoudfyld og synkronisering."""
+    from sqlalchemy import text
+    pattern = f"{prefix}%"
+    rows = db.execute(text(
+        "SELECT name, use_count FROM dance_names "
+        "WHERE name LIKE :pattern "
+        "ORDER BY use_count DESC, name "
+        "LIMIT :limit"
+    ), {"pattern": pattern, "limit": limit}).fetchall()
+    return [{"name": r[0], "use_count": r[1]} for r in rows]
+
+
+@router.post("/names", status_code=201)
+def submit_dance_name(
+    data: DanceNameSubmit,
+    db: Session = Depends(get_db),
+    me: User = Depends(get_current_user),
+):
+    """Indsend et dans-navn — opretter eller tæller op."""
+    from sqlalchemy import text
+    name = data.name.strip()
+    if not name:
+        raise HTTPException(400, "Navn må ikke være tomt")
+    existing = db.execute(
+        text("SELECT id FROM dance_names WHERE name = :name COLLATE NOCASE"),
+        {"name": name}
+    ).fetchone()
+    if existing:
+        db.execute(
+            text("UPDATE dance_names SET use_count = use_count + 1 WHERE id = :id"),
+            {"id": existing[0]}
+        )
+    else:
+        db.execute(
+            text("INSERT INTO dance_names (name, use_count) VALUES (:name, 1)"),
+            {"name": name}
+        )
+    db.commit()
+    return {"detail": "ok"}